Home / 86,350.48-119,169.76-48,112.54

Finding the Fourth Proportional to 86,350.48, 119,169.76 and 48,112.54

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Solution

The fourth proportional to 86,350.48, 119,169.76 and 48,112.54 is: 66,398.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,350.48 : 119,169.76 = 48,112.54 : x
  2. Step 2: Convert to fraction form
    86,350.48/119,169.76 = 48,112.54/x
  3. Step 3: Cross multiply
    86,350.48x = 119,169.76 × 48,112.54
  4. Step 4: Simplify right side
    86,350.48x = 5,733,559,844.79
  5. Step 5: Solve for x
    x = 5,733,559,844.79/86,350.48
  6. Step 6: Final answer
    x = 66,398.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.